(footnote 35), pp. 320-321, or Renata Szafarz, “Reservations to Multilateral Treaties”, Polish Yearbook of International Law, 1970, p. 313.
cit., nota 35, págs. 320 y 321, o Renata Szafarz, "Reservations to Multilateral Treaties", Polish Yearbook of International Law, 1970, pág.